<!--
 * @Author: zengwj
 * @Date: 2022-07-25 17:28:05
 * @LastEditors: zengwj
 * @LastEditTime: 2022-07-25 17:36:50
 * @Description: 
-->
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .Index {
      width: 100vw;
      height: 100vh;
      background: #000;
      position: relative;
    }

    .Index .text {
      width: 200px;
      height: 200px;
      text-align: center;
      z-index: 9;
      font-size: 30px;
      line-height: 200px;
      color: white;
      position: absolute;
      left: 50%;
      top: 10%;
      transform: translate(-50%, 0%);
    }

    .contrast {
      width: 100%;
      height: 100%;
      background-color: #000;
      overflow: hidden;
      filter: contrast(15) hue-rotate(0);
      position: relative;
      animation: hueRotate 6s linear infinite;
    }

    .contrast span {
      background: #00ff6f;
      position: absolute;
      bottom: 0;
      border-radius: 100px 100px 0 0;
      filter: blur(5px);
      animation: moveUp ease-in-out infinite;























    }

    .contrast span :nth-child(1) {
      width: 20px;
      height: 20px;
      left: 50%;
      animation-duration: 4s;
      animation-delay: 2s;
    }

    .contrast span :nth-child(2) {
      width: 22px;
      height: 22px;
      left: 54%;
      animation-duration: 4.2s;
      animation-delay: 4s;
    }

    .contrast span :nth-child(3) {
      width: 24px;
      height: 24px;
      left: 45%;
      animation-duration: 3s;
      animation-delay: 1s;
    }

    .contrast span :nth-child(4) {
      width: 20px;
      height: 22px;
      left: 54%;
      animation-duration: 5s;
      animation-delay: 0s;
    }

    .contrast span :nth-child(5) {
      width: 22px;
      height: 22px;
      left: 52%;
      animation-duration: 3.5s;
      animation-delay: 5s;
    }

    .contrast span :nth-child(6) {
      width: 20px;
      height: 20px;
      left: 50%;
      animation-duration: 4.7s;
      animation-delay: 1.2s;
    }

    .contrast span :nth-child(7) {
      width: 22px;
      height: 22px;
      left: 54%;
      animation-duration: 2.5s;
      animation-delay: 3.5s;
    }

    .contrast span :nth-child(8) {
      width: 24px;
      height: 24px;
      left: 51%;
      animation-duration: 5.6s;
      animation-delay: 4.2s;
    }

    .contrast span:nth-child(9) {
      width: 26px;
      height: 26px;
      left: 42%;
      animation-duration: 5.2s;
      animation-delay: 4s;
    }

    .contrast span :nth-child(10) {
      width: 26px;
      height: 22px;
      left: 54%;
      animation-duration: 3.8s;
      animation-delay: 4.3s;
    }

    .contrast span:nth-child(11) {
      width: 22px;
      height: 22px;
      left: 42%;
      animation-duration: 4.2s;
      animation-delay: 0.3s;
    }

    .contrast span :nth-child(12) {
      width: 24px;
      height: 24px;
      left: 46%;
      animation-duration: 4.6s;
      animation-delay: 2.0s;
    }

    .contrast span :nth-child(13) {
      width: 22px;
      height: 22px;
      left: 48%;
      animation-duration: 3.8s;
      animation-delay: 3.2s;
    }

    .contrast span:nth-child(14) {
      width: 26px;
      height: 22px;
      left: 55%;
      animation-duration: 5.2s;
      animation-delay: 2.9s;
    }

    .contrast span :nth-child(15) {
      width: 26px;
      height: 22px;
      left: 52%;
      animation-duration: 4.9s;
      animation-delay: 4.2s;
    }



    .contrast .button {
      width: 150px;
      height: 50px;
      background: #00ff6f;
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translate(-50%, 0);
      border-radius: 100px 100px 0 0;
      filter: blur(5px);
    }

    .circle {
      width: 300px;
      height: 300px;
      position: absolute;
      top: 10px;
      left: 50%;
      margin-left: -150px;
      box-sizing: border-box;
      filter: blur(8px);
      animation: circleRotate 6s linear infinite;


    }

    .circle::before {
      content: "";
      height: 200px;
      width: 200px;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) rotate(0);
      background: #00ff6f;
      border-radius: 42% 38% 62% 49% / 45%;
    }

    .circle::after {
      content: "";
      width: 176px;
      height: 178px;
      background: #000;
      border-radius: 50%;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }

    @keyframes hueRotate {
      0% {
        filter: contrast(15) hue-rotate(0);
      }

      100% {
        filter: contrast(15) hue-rotate(360deg);
      }
    }

    @keyframes circleRotate {
      0% {
        transform: rotate(0deg);
      }

      100% {
        transform: rotate(360deg);
      }
    }

    @keyframes moveUp {
      0% {
        bottom: 0;
      }

      100% {
        bottom: calc(100% - 265px);
      }
    }
  </style>
</head>

<body>
  <div class="Index">
    <div class="text">73%</div>
    <div class="contrast">
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      <div class="circle"></div>
      <div class="button"></div>
    </div>
  </div>

</body>

</html>